Casing of a kind used in drilling for oil or gas
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Duty Rate (from China)
Products classified under Tariff item 7305.20.00
16-Inch OD L80 Coupled Casing for Gas Wells
Welded nonalloy steel casing with a 16-inch outer diameter, L80 grade, with coupled ends. It is used to line and support oil or gas well bores during drilling operations, falling under tariff item 7305.20.00 for casing of a kind used in drilling for oil or gas.
16-Inch OD Welded Oil Well Casing
Heavy-duty welded casing tube of nonalloy steel with a 16-inch external diameter, used in oil drilling to prevent borehole collapse and protect aquifers. It is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
17-Inch Intermediate Casing Pipe
17-inch OD welded intermediate casing of nonalloy steel for multi-stage oil drilling support. This product is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
18-5/8 Inch N80 Threaded Drilling Casing
Threaded nonalloy steel casing pipe with an 18-5/8 inch outer diameter, N80 grade, welded for use in stabilizing boreholes during oil and gas extraction. This product is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
18.5-Inch Surface Casing Tube
Welded surface casing pipe of iron/nonalloy steel with an 18.5-inch OD, used in gas well drilling to isolate freshwater zones and provide blowout protection. It falls under tariff item 7305.20.00 as casing used in drilling for oil or gas.
20-Inch Conductor Casing Pipe
Extra-large welded nonalloy steel conductor casing with a 20-inch external diameter, installed first in offshore/onshore drilling to support the initial borehole and resist high loads. This product is classified under tariff item 7305.20.00.
20-Inch OD K55 Coupled Oil Well Casing
A 20-inch outer diameter coupled casing pipe made from K55 nonalloy steel, used to line and stabilize oil or gas wells during drilling. It is classified under tariff item 7305.20.00 due to its welded construction and threaded/coupled joints.
22-Inch Diameter P110 Threaded Oil Casing Pipe
High-strength P110 grade nonalloy steel pipe with a 22-inch outer diameter, threaded for coupling, used in deep oil drilling to case the wellbore. This product falls under tariff item 7305.20.00 as welded, large-diameter casing for oil or gas drilling.
22-Inch OD ERW Oil Casing Pipe
Electric resistance welded (ERW) casing pipe of nonalloy steel with a 22-inch external diameter, used for stabilizing oil well bores during drilling. It is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
24-Inch Drive Pipe Casing
Extra-large welded drive pipe for initial drilling penetration, used as casing in oil or gas drilling operations. This product falls under tariff item 7305.20.00 as casing used in drilling for oil or gas.
API 5CT J55 Threaded Casing Pipe
Large-diameter (over 16 inches) welded steel casing pipe made from J55 grade nonalloy steel, featuring threaded ends for coupling in oil well drilling operations. It is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
API 5L Grade B Steel Casing Pipe
Welded steel casing pipe made from nonalloy steel, with a circular cross-section exceeding 406.4 mm external diameter, designed for oil and gas drilling operations to line boreholes and stabilize well walls. It is classified under tariff item 7305.20.00.
Intermediate Casing Pipe 17-1/2 Inch Coupled N80
17-1/2 inch OD coupled N80 nonalloy steel intermediate casing for mid-depth oil/gas well support, welded with threaded connections. This product is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
Production Casing 13-3/8 Inch L80 Threaded
13-3/8 inch OD L80 threaded production casing pipe of welded nonalloy steel, used after drilling to case the productive zone. It is classified under tariff item 7305.20.00 as casing used in drilling for oil or gas.
Threaded Surface Casing 24-Inch OD J55
24-inch OD J55 nonalloy steel surface casing with threaded joints, installed at the upper section of oil wells to prevent collapse. This product falls under tariff item 7305.20.00 as welded, large-diameter casing for oil or gas drilling.